<script setup>
import {
  Edit,
  Delete
} from '@element-plus/icons-vue'
import { ref } from 'vue'
const categorys = ref([
  {
    "id": 3,
    "categoryName": "美食",
    "categoryAlias": "my",
    "createTime": "2023-09-02 12:06:59",
    "updateTime": "2023-09-02 12:06:59"
  },
  {
    "id": 4,
    "categoryName": "娱乐",
    "categoryAlias": "yl",
    "createTime": "2023-09-02 12:08:16",
    "updateTime": "2023-09-02 12:08:16"
  },
  {
    "id": 5,
    "categoryName": "军事",
    "categoryAlias": "js",
    "createTime": "2023-09-02 12:08:33",
    "updateTime": "2023-09-02 12:08:33"
  }
])
//声明一个异步的函数
import {articleCategoryListService,articleCategoryAddService,articleCategoryUpdateService} from '@/api/article.js'
const articleCategoryList = async()=>{
  let result = await articleCategoryListService();
  categorys.value = result.data;
}
articleCategoryList();
//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
  category_name: '',
  category_alias: ''
})
//添加分类表单校验
const rules = {
  category_name: [
    { required: true, message: '请输入分类名称', trigger: 'blur' },
  ],
  category_alias: [
    { required: true, message: '请输入分类别名', trigger: 'blur' },
  ]
}

//调用接口添加表单
import {ElMessage} from "element-plus";
const addCategory = async ()=>{
  //调用接口
  let result = await articleCategoryAddService(categoryModel.value);
  ElMessage.success(result.msg? result.msg: '添加成功')

  //调用获取所有文章分类的函数
  articleCategoryList();
  dialogVisible.value=false;
}

//定义变量，控制标题的展示
const title =ref('')

//展示编辑弹窗
const showDialog = (row) =>{
  dialogVisible.value = true;title.value = '编辑分类'
  //数据拷贝
  categoryModel.value.category_name = row.category_name;
  categoryModel.value.category_alias = row.category_alias;
  //扩展id属性，将来需要传递给后台，完成分类的修改
  categoryModel.value.id = row.id;
}

//编辑分类
const updateCategory = async ()=>{
  //调用接口
  let result = await articleCategoryUpdateService(categoryModel.value);

  ElMessage.success(result.msg? result.msg: '修改成功')

  //调用获取所有分类的函数
  articleCategoryList();

  //隐藏弹窗
  dialogVisible.value = false;
}

//清空模型的数据
const clearData = ()=>{
  categoryModel.value.category_name = '';
  categoryModel.value.category_alias = '';
}
</script>
<template>
  <el-card class="page-container">
    <template #header>
      <div class="header">
        <span>文章分类</span>
        <div class="extra">
          <el-button type="primary" @click="dialogVisible=true; title='添加分类'; clearData()">添加分类</el-button>
        </div>
      </div>
    </template>
    <el-table :data="categorys" style="width: 100%">
      <el-table-column label="序号" width="100" type="index"> </el-table-column>
      <el-table-column label="分类名称" prop="category_name"></el-table-column>
      <el-table-column label="分类别名" prop="category_alias"></el-table-column>
      <el-table-column label="操作" width="100">
        <template #default="{ row }">
          <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
          <el-button :icon="Delete" circle plain type="danger"></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>

    <!-- 添加分类弹窗 -->
    <el-dialog v-model="dialogVisible" :title="title" width="30%">
      <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
        <el-form-item label="分类名称" prop="category_name">
          <el-input v-model="categoryModel.category_name" minlength="1" maxlength="10"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="category_alias">
          <el-input v-model="categoryModel.category_alias" minlength="1" maxlength="15"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取消</el-button>
            <el-button type="primary" @click="title==='添加分类'? addCategory(): updateCategory()"> 确认 </el-button>
        </span>
      </template>
    </el-dialog>
  </el-card>
</template>

<style lang="scss" scoped>
.page-container {
  min-height: 100%;
  box-sizing: border-box;

  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}
</style>